Canada, Japan, Europe, Russia are all major players in International Space StationThe Trump administration wants NASA out of the International Space Station by 2025, and private businesses running the place instead.Under President Donald Trump’s 2019 proposed budget released Monday, U.S. government funding for the space station would end by 2025. The government would set aside $150 million US to encourage commercial development.Many space experts are expressing concern. Senator Bill Nelson, a Florida Democrat who rocketed into orbit in 1986, said “turning off the lights and walking away from our sole outpost in space” makes no sense.Retired NASA historian and Smithsonian curator Roger Launius notes that any such move will affect all the other countries involved in the space station; Russia is a major player, as is Europe, Japan and Canada. “I suspect this will be a major aspect of any decisions about ISS’s [space station’s] future,” Launius wrote in an email.NASA has spent close to $100 billion US on the orbiting outpost since the 1990s. The first piece was launched in 1998, and the complex was essentially completed with the retirement of NASA’s space shuttles in 2011.Private businesses already have a hand in the ...